/usr/include/directfb/direct/TLSObject.h is in libdirectfb-dev 1.7.7-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef ___Direct__TLSObject__H___
#define ___Direct__TLSObject__H___
#include <direct/Types++.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <direct/os/thread.h>
#ifdef __cplusplus
}
#include <list>
#include <direct/Mutex.h>
namespace Direct {
template <typename Object, typename Params, typename Host>
class TLSObject
{
private:
void *ctx;
DirectTLS tls;
public:
TLSObject( void *ctx )
:
ctx( ctx )
{
direct_tls_register( &tls, Host::tls_destroy );
}
~TLSObject()
{
direct_tls_unregister( &tls );
}
Object *Get( Params ¶ms )
{
Object *obj = (Object*) direct_tls_get( tls );
if (!obj) {
obj = Host::tls_create( ctx, params );
if (!obj)
return NULL;
direct_tls_set( tls, obj );
}
return obj;
}
void Delete()
{
Object *obj = (Object*) direct_tls_get( tls );
if (obj) {
direct_tls_set( tls, NULL );
delete obj;
}
}
};
template <typename Object, typename Creator=Object, typename Destroyer=Creator>
class TLSObject2
{
private:
void *ctx;
DirectTLS tls;
Mutex lock;
std::list<Object*> list;
public:
TLSObject2( void *ctx = NULL )
:
ctx( ctx )
{
direct_tls_register( &tls, TLSObject2::destructor );
}
~TLSObject2()
{
direct_tls_unregister( &tls );
}
Object *Get( void *params = NULL )
{
Object *obj = (Object*) direct_tls_get( tls );
if (!obj) {
obj = Creator::create( ctx, params );
if (!obj)
return NULL;
lock.lock();
list.push_back( obj );
lock.unlock();
direct_tls_set( tls, obj );
}
return obj;
}
void Delete()
{
Object *obj = (Object*) direct_tls_get( tls );
if (obj) {
direct_tls_set( tls, NULL );
lock.lock();
list.remove( obj );
lock.unlock();
delete obj;
}
}
void DeleteAll()
{
lock.lock();
std::list<Object*> list_copy = list;
list.clear();
direct_tls_unregister( &tls );
direct_tls_register( &tls, TLSObject2::destructor );
lock.unlock();
for (typename std::list<Object*>::iterator it=list_copy.begin(); it!=list_copy.end(); it++)
delete *it;
}
private:
static void destructor( void *ptr )
{
Destroyer::destroy( NULL, (Object*) ptr );
}
};
}
#endif // __cplusplus
#endif
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